uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KL7DE callsign genealogy

Currently held by Ganzlin, Peter W

The FCC publishes a previous_call_sign on every amateur license — a self-link to the licensee's prior callsign. Following those links produces the chain below.

Previous callsigns

Older callsigns held by KL7DE's current licensee, walking backwards.

  1. AA7TVcancelled· E
    HALL, ROBERT JAKgranted 2017-07-07cancelled 2020-01-18
  2. KG7QBTcancelled· E
    HALL, ROBERT JMTgranted 2013-12-12cancelled 2017-07-07
  3. KC2MHUcancelled· G
    HALL, ROBERT JMTgranted 2013-12-12cancelled 2015-01-06

Successor callsigns

Callsigns held now by people who previously held KL7DE.

  1. N0DARcancelled· G
    Ganzlin, PeterMNgranted 2015-07-28cancelled 2017-08-01

All historical holders

Every license row we've seen with the callsign KL7DE, oldest first.

  • DOWNING, MICHAEL S WY
    1994-04-12 → cancelled 2006-04-14
  • Ganzlin, Peter W MN
    2011-09-24 → cancelled 2015-07-28
  • HALL, ROBERT J AK
    2020-01-18 active
← Back to KL7DE License history →